Question: 1 7 . It is desired to build a rectangular weir without contractions in a watercourse whose maximum flow is equal to 6 cubic meters

17. It is desired to build a rectangular weir without contractions in a watercourse whose maximum flow is equal to 6 cubic meters per second. Knowing that the level of the watercourse should not rise more than 0.35 m above the threshold of the weir. Calculate the minimum length of this threshold. (Q =1.838 L H^3/2)

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